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CAS No. : | 36234-66-9 | MDL No. : | MFCD21117211 |
Formula : | C7H8N2OS | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | AYSCUQOLIIAARX-UHFFFAOYSA-N |
M.W : | 168.22 | Pubchem ID : | 21941906 |
Synonyms : |
|
Num. heavy atoms : | 11 |
Num. arom. heavy atoms : | 5 |
Fraction Csp3 : | 0.43 |
Num. rotatable bonds : | 0 |
Num. H-bond acceptors : | 2.0 |
Num. H-bond donors : | 1.0 |
Molar Refractivity : | 44.37 |
TPSA : | 84.22 Ų |
GI absorption : | High |
BBB permeant : | No |
P-gp substrate : | No |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -6.57 cm/s |
Log Po/w (iLOGP) : | 1.08 |
Log Po/w (XLOGP3) : | 1.07 |
Log Po/w (WLOGP) : | 1.25 |
Log Po/w (MLOGP) : | -0.03 |
Log Po/w (SILICOS-IT) : | 2.46 |
Consensus Log Po/w : | 1.17 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -1.89 |
Solubility : | 2.15 mg/ml ; 0.0128 mol/l |
Class : | Very soluble |
Log S (Ali) : | -2.43 |
Solubility : | 0.625 mg/ml ; 0.00371 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -1.93 |
Solubility : | 1.99 mg/ml ; 0.0119 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 2.65 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | for 15 h; Reflux | General procedure: A mixture of 3-bromocyclohexane-1,2-dione 3 (50 mg, 0.26 mmol) and pyridine-4-carbothioamide (24.1 mg, 0.17 mmol) in EtOH (0.69 mL) was heated to reflux and stirred for 15 h. The reaction mixture was diluted with DMSO (0.5 mL) to completely dissolve all solids and the resulting mixture was purified by directly injecting the reaction mixture into a preparatory HPLC (C18, water/acetonitrile/ammonium acetate buffer) to give 2-(pyridin-4-yl)-6,7-dihydrobenzo[d]thiazol-4(5H)-one (30.4 mg, 0.13 mmol, 76percent) (Table 1, entry 1). |
47% | at 90℃; for 16 h; | Int-35 (5.0 g, 26.17 mmol) was dissolved in EtOH (50 mL) and thiourea (1.99 g, 26.17 mmol) was added at rt. Then the mixture was heated at 90 °C for 16 h. After cooling down to rt, the mixture was concentrated under reduced pressure and the residue was diluted with water (50 mL) and extracted with EtOAc (2 x 150 mL). Combined organic layers were washed with water (50 mL), brine (50 mL), dried over anhydrous Na2SO4 and concentrated under reduced pressure. The crude product was purified by colunm chromatography on reversed phase silica gel using water/acetonitrile with 0.01percent formic acid as eluent. 2-Amino-6,7-dihydrobenzo[d]thiazol-4(5H)-one (int-36) was obtained as an off-white solid in 47percent (2.1 g) yield. MS (ESI) mlz 169.01 [M-H]. |
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